'use strict'
const path = require('path')

function resolve (dir) {
  return path.join(__dirname, dir)
}

const name = '惠通支付' // page title

// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
// You can change the port by the following methods:
// port = 9528 npm run dev OR npm run dev --port = 9528
const port = process.env.port || process.env.npm_config_port || 9528 // dev port

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
  /**
   * You will need to set publicPath if you plan to deploy your site under a sub path,
   * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
   * then publicPath should be set to "/bar/".
   * In most cases please use '/' !!!
   * Detail: https://cli.vuejs.org/config/#publicpath
   */
  publicPath: '/',
  outputDir: 'dist',
  assetsDir: 'static',
  lintOnSave: process.env.NODE_ENV === 'development',

  productionSourceMap: false,

  devServer: {
    port: port,
    open: true,
    overlay: {
      warnings: false,
      errors: true
    },
    proxy: {
      // change xxx-api/login => mock/login
      // detail: https://cli.vuejs.org/config/#devserver-proxy
      '/htpay-merchant': {
        target: 'http://[::1]:8080', // localhost
        changeOrigin: true
        // pathRewrite: {
        //   '^htpay-merchant': ''
        // }
      }
    }
  },

  configureWebpack: {
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    name: name,
    resolve: {
      alias: {
        '@': resolve('src')
      }
    }
  },
  chainWebpack (config) {
    config.plugins.delete('preload') // TODO: need test
    config.plugins.delete('prefetch') // TODO: need test

    // // set svg-sprite-loader
    // config.module
    //     .rule('svg')
    //     .exclude.add(resolve('src/icons'))
    //     .end()
    // config.module
    //     .rule('icons')
    //     .test(/\.svg$/)
    //     .include.add(resolve('src/icons'))
    //     .end()
    //     .use('svg-sprite-loader')
    //     .loader('svg-sprite-loader')
    //     .options({
    //         symbolId: 'icon-[name]'
    //     })
    //     .end()

    // set preserveWhitespace
    config.module
      .rule('vue')
      .use('vue-loader')
      .loader('vue-loader')
      .tap(options => {
        options.compilerOptions.preserveWhitespace = true
        return options
      })
      .end()

    // 生产环境取消 console.log
    // config.when(process.env.NODE_ENV === 'production', config => {
    //   console.log(config.optimization)
    //   config.optimization.minimizer[0].options.terserOptions.compress.drop_console = true
    // })

    config
      // https://webpack.js.org/configuration/devtool/#development
      .when(process.env.NODE_ENV === 'development', config => config.devtool('cheap-source-map'))

    config.when(process.env.NODE_ENV !== 'development', config => {
      config
        .plugin('ScriptExtHtmlWebpackPlugin')
        .after('html')
        .use('script-ext-html-webpack-plugin', [
          {
            // `runtime` must same as runtimeChunk name. default is `runtime`
            inline: /runtime\..*\.js$/
          }
        ])
        .end()
      config.optimization.splitChunks({
        chunks: 'all',
        cacheGroups: {
          libs: {
            name: 'chunk-libs',
            test: /[\\/]node_modules[\\/]/,
            priority: 10,
            chunks: 'initial' // only package third parties that are initially dependent
          },
          // elementUI: {
          //   name: 'chunk-elementUI', // split elementUI into a single package
          //   priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
          //   test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
          // },
          commons: {
            name: 'chunk-commons',
            test: resolve('src/components'), // can customize your rules
            minChunks: 3, //  minimum common number
            priority: 5,
            reuseExistingChunk: true
          }
        }
      })
      config.optimization.runtimeChunk('single')
    })
  },
  css: {
    // 当为true时，css文件名可省略 module 默认为 false
    modules: false,
    // 是否将组件中的 CSS 提取至一个独立的 CSS 文件中,当作为一个库构建时，你也可以将其设置为 false 免得用户自己导入 CSS
    // 默认生产环境下是 true，开发环境下是 false
    extract: false,
    // 是否为 CSS 开启 source map。设置为 true 之后可能会影响构建的性能
    sourceMap: false,
    // 向 CSS 相关的 loader 传递选项(支持 css-loader postcss-loader sass-loader less-loader stylus-loader)
    loaderOptions: {
      sass: {},
      less: {
        modifyVars: {
          /* less 变量覆盖，用于自定义 ant design 主题 */
          /*
          'primary-color': '#F5222D',
          'link-color': '#F5222D',
          'border-radius-base': '4px',
          */
        },
        javascriptEnabled: true
      }
    }
  }
}
